/******************************************************************
*
*    CyberUtil for Java
*
*    Copyright (C) Satoshi Konno 2002
*
*    File: ListenerList.java
*
*    Revision;
*
*    12/30/02
*        - first revision.
*
******************************************************************/

package com.fiberhome.remoteime.cybergarage.util;

import java.util.Vector;

public class ListenerList extends Vector
{
    public boolean add(Object obj)
    {
        if (0 <= indexOf(obj))
            return false;
        return super.add(obj);
    }
}
